/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.metron.common.dsl.functions.resolver;

/**
 * Performs function resolution for Stellar by searching the classpath. The
 * class acts as a singleton to avoid repetitive classpath searches.
 */
public class SingletonFunctionResolver extends ClasspathFunctionResolver {

  private static SingletonFunctionResolver INSTANCE = new SingletonFunctionResolver();

  private SingletonFunctionResolver() {}

  public static FunctionResolver getInstance() {
    return INSTANCE;
  }

}
